The GEL-Sidewinder is a cushioned shoe designed for the low to intermediate end of the mileage spectrum runners. GEL Cushioning Systems attenuates shock during impact phase and toe-off phases. Trussic System links the rearfoot and forefoot and shores the midfoot. DuoMax Support System maintains proper foot support during the critical transition from heel strike to toe-off. AHAR Heel Plug enhances durability at initial impact. Running.